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Finding the Fourth Proportional to 19,033.99, 28,550.99 and 5,886.07

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Solution

The fourth proportional to 19,033.99, 28,550.99 and 5,886.07 is: 8,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.99 : 28,550.99 = 5,886.07 : x
  2. Step 2: Convert to fraction form
    19,033.99/28,550.99 = 5,886.07/x
  3. Step 3: Cross multiply
    19,033.99x = 28,550.99 × 5,886.07
  4. Step 4: Simplify right side
    19,033.99x = 168,053,125.71
  5. Step 5: Solve for x
    x = 168,053,125.71/19,033.99
  6. Step 6: Final answer
    x = 8,829.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.